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mold/test/elf/warn-textrel.sh
Rui Ueyama bb5a596bc5 Set LC_ALL=C to get consistent output from shell comands
We unset `LANG`, but it looks like `LC_ALL` takes precedence over `LANG`,
so we should set `LC_ALL` to `C`.

Reported at https://github.com/rui314/mold/pull/385
2022-03-09 09:03:22 +09:00

37 lines
793 B
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Executable File

#!/bin/bash
export LC_ALL=C
set -e
CC="${CC:-cc}"
CXX="${CXX:-c++}"
testname=$(basename "$0" .sh)
echo -n "Testing $testname ... "
cd "$(dirname "$0")"/../..
mold="$(pwd)/mold"
t=out/test/elf/$testname
mkdir -p $t
# Skip if libc is musl
echo 'int main() {}' | $CC -o $t/exe -xc -
ldd $t/exe | grep -q ld-musl && { echo OK; exit; }
# Skip if target is not x86-64
[ "$(uname -m)" = x86_64 ] || { echo skipped; exit; }
cat <<'EOF' | $CC -c -o $t/a.o -x assembler -
.globl fn
fn:
movabs main, %rax
ret
EOF
cat <<EOF | $CC -c -o $t/b.o -fPIC -xc -
void fn();
int main() { fn(); }
EOF
$CC -B. -o $t/exe $t/a.o $t/b.o -pie -Wl,-warn-textrel >& $t/log
grep -q 'relocation against symbol `main'\'' in read-only section' $t/log
grep -q 'creating a DT_TEXTREL in an output file' $t/log
echo OK